Costs that change abruptly at intervals of activity because the resources - 2013

 Costs that change abruptly at intervals of activity because the resources and their costs come in indivisible chunks are called ¬¬¬¬¬_____. 

a.     mixed costs 

b.     variable costs 

c.     fixed costs 

d.     step costs 

.     Costs that change abruptly at intervals of activity because the